| /****************************************************************************** |
| * |
| * Name: actbl.h - Basic ACPI Table Definitions |
| * |
| *****************************************************************************/ |
| |
| /* |
| * Copyright (C) 2000 - 2006, R. Byron Moore |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions, and the following disclaimer, |
| * without modification. |
| * 2. Redistributions in binary form must reproduce at minimum a disclaimer |
| * substantially similar to the "NO WARRANTY" disclaimer below |
| * ("Disclaimer") and any redistribution must be conditioned upon |
| * including a substantially similar Disclaimer requirement for further |
| * binary redistribution. |
| * 3. Neither the names of the above-listed copyright holders nor the names |
| * of any contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * Alternatively, this software may be distributed under the terms of the |
| * GNU General Public License ("GPL") version 2 as published by the Free |
| * Software Foundation. |
| * |
| * NO WARRANTY |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING |
| * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGES. |
| */ |
| |
| #ifndef __ACTBL_H__ |
| #define __ACTBL_H__ |
| |
| /* |
| * Values for description table header signatures. Useful because they make |
| * it more difficult to inadvertently type in the wrong signature. |
| */ |
| #define DSDT_SIG "DSDT" /* Differentiated System Description Table */ |
| #define FADT_SIG "FACP" /* Fixed ACPI Description Table */ |
| #define FACS_SIG "FACS" /* Firmware ACPI Control Structure */ |
| #define PSDT_SIG "PSDT" /* Persistent System Description Table */ |
| #define RSDP_SIG "RSD PTR " /* Root System Description Pointer */ |
| #define RSDT_SIG "RSDT" /* Root System Description Table */ |
| #define XSDT_SIG "XSDT" /* Extended System Description Table */ |
| #define SSDT_SIG "SSDT" /* Secondary System Description Table */ |
| #define RSDP_NAME "RSDP" |
| |
| /* |
| * All tables and structures must be byte-packed to match the ACPI |
| * specification, since the tables are provided by the system BIOS |
| */ |
| #pragma pack(1) |
| |
| /* |
| * These are the ACPI tables that are directly consumed by the subsystem. |
| * |
| * The RSDP and FACS do not use the common ACPI table header. All other ACPI |
| * tables use the header. |
| * |
| * Note about bitfields: The u8 type is used for bitfields in ACPI tables. |
| * This is the only type that is even remotely portable. Anything else is not |
| * portable, so do not use any other bitfield types. |
| */ |
| |
| /******************************************************************************* |
| * |
| * ACPI Table Header. This common header is used by all tables except the |
| * RSDP and FACS. The define is used for direct inclusion of header into |
| * other ACPI tables |
| * |
| ******************************************************************************/ |
| |
| #define ACPI_TABLE_HEADER_DEF \ |
| char signature[4]; /* ASCII table signature */\ |
| u32 length; /* Length of table in bytes, including this header */\ |
| u8 revision; /* ACPI Specification minor version # */\ |
| u8 checksum; /* To make sum of entire table == 0 */\ |
| char oem_id[6]; /* ASCII OEM identification */\ |
| char oem_table_id[8]; /* ASCII OEM table identification */\ |
| u32 oem_revision; /* OEM revision number */\ |
| char asl_compiler_id[4]; /* ASCII ASL compiler vendor ID */\ |
| u32 asl_compiler_revision; /* ASL compiler version */ |
| |
| struct acpi_table_header { |
| ACPI_TABLE_HEADER_DEF}; |
| |
| /* |
| * GAS - Generic Address Structure (ACPI 2.0+) |
| */ |
| struct acpi_generic_address { |
| u8 address_space_id; /* Address space where struct or register exists */ |
| u8 register_bit_width; /* Size in bits of given register */ |
| u8 register_bit_offset; /* Bit offset within the register */ |
| u8 access_width; /* Minimum Access size (ACPI 3.0) */ |
| u64 address; /* 64-bit address of struct or register */ |
| }; |
| |
| /******************************************************************************* |
| * |
| * RSDP - Root System Description Pointer (Signature is "RSD PTR ") |
| * |
| ******************************************************************************/ |
| |
| struct rsdp_descriptor { |
| char signature[8]; /* ACPI signature, contains "RSD PTR " */ |
| u8 checksum; /* ACPI 1.0 checksum */ |
| char oem_id[6]; /* OEM identification */ |
| u8 revision; /* Must be (0) for ACPI 1.0 or (2) for ACPI 2.0+ */ |
| u32 rsdt_physical_address; /* 32-bit physical address of the RSDT */ |
| u32 length; /* Table length in bytes, including header (ACPI 2.0+) */ |
| u64 xsdt_physical_address; /* 64-bit physical address of the XSDT (ACPI 2.0+) */ |
| u8 extended_checksum; /* Checksum of entire table (ACPI 2.0+) */ |
| u8 reserved[3]; /* Reserved, must be zero */ |
| }; |
| |
| #define ACPI_RSDP_REV0_SIZE 20 /* Size of original ACPI 1.0 RSDP */ |
| |
| /******************************************************************************* |
| * |
| * RSDT/XSDT - Root System Description Tables |
| * |
| ******************************************************************************/ |
| |
| struct rsdt_descriptor { |
| ACPI_TABLE_HEADER_DEF u32 table_offset_entry[1]; /* Array of pointers to ACPI tables */ |
| }; |
| |
| struct xsdt_descriptor { |
| ACPI_TABLE_HEADER_DEF u64 table_offset_entry[1]; /* Array of pointers to ACPI tables */ |
| }; |
| |
| /******************************************************************************* |
| * |
| * FACS - Firmware ACPI Control Structure (FACS) |
| * |
| ******************************************************************************/ |
| |
| struct facs_descriptor { |
| char signature[4]; /* ASCII table signature */ |
| u32 length; /* Length of structure, in bytes */ |
| u32 hardware_signature; /* Hardware configuration signature */ |
| u32 firmware_waking_vector; /* 32-bit physical address of the Firmware Waking Vector */ |
| u32 global_lock; /* Global Lock for shared hardware resources */ |
| |
| /* Flags (32 bits) */ |
| |
| u8 S4bios_f:1; /* 00: S4BIOS support is present */ |
| u8:7; /* 01-07: Reserved, must be zero */ |
| u8 reserved1[3]; /* 08-31: Reserved, must be zero */ |
| |
| u64 xfirmware_waking_vector; /* 64-bit version of the Firmware Waking Vector (ACPI 2.0+) */ |
| u8 version; /* Version of this table (ACPI 2.0+) */ |
| u8 reserved[31]; /* Reserved, must be zero */ |
| }; |
| |
| #define ACPI_GLOCK_PENDING 0x01 /* 00: Pending global lock ownership */ |
| #define ACPI_GLOCK_OWNED 0x02 /* 01: Global lock is owned */ |
| |
| /* |
| * Common FACS - This is a version-independent FACS structure used for internal use only |
| */ |
| struct acpi_common_facs { |
| u32 *global_lock; |
| u64 *firmware_waking_vector; |
| u8 vector_width; |
| }; |
| |
| /******************************************************************************* |
| * |
| * FADT - Fixed ACPI Description Table (Signature "FACP") |
| * |
| ******************************************************************************/ |
| |
| /* Fields common to all versions of the FADT */ |
| |
| #define ACPI_FADT_COMMON \ |
| ACPI_TABLE_HEADER_DEF \ |
| u32 V1_firmware_ctrl; /* 32-bit physical address of FACS */ \ |
| u32 V1_dsdt; /* 32-bit physical address of DSDT */ \ |
| u8 reserved1; /* System Interrupt Model isn't used in ACPI 2.0*/ \ |
| u8 prefer_PM_profile; /* Conveys preferred power management profile to OSPM. */ \ |
| u16 sci_int; /* System vector of SCI interrupt */ \ |
| u32 smi_cmd; /* Port address of SMI command port */ \ |
| u8 acpi_enable; /* Value to write to smi_cmd to enable ACPI */ \ |
| u8 acpi_disable; /* Value to write to smi_cmd to disable ACPI */ \ |
| u8 S4bios_req; /* Value to write to SMI CMD to enter S4BIOS state */ \ |
| u8 pstate_cnt; /* Processor performance state control*/ \ |
| u32 V1_pm1a_evt_blk; /* Port address of Power Mgt 1a Event Reg Blk */ \ |
| u32 V1_pm1b_evt_blk; /* Port address of Power Mgt 1b Event Reg Blk */ \ |
| u32 V1_pm1a_cnt_blk; /* Port address of Power Mgt 1a Control Reg Blk */ \ |
| u32 V1_pm1b_cnt_blk; /* Port address of Power Mgt 1b Control Reg Blk */ \ |
| u32 V1_pm2_cnt_blk; /* Port address of Power Mgt 2 Control Reg Blk */ \ |
| u32 V1_pm_tmr_blk; /* Port address of Power Mgt Timer Ctrl Reg Blk */ \ |
| u32 V1_gpe0_blk; /* Port addr of General Purpose acpi_event 0 Reg Blk */ \ |
| u32 V1_gpe1_blk; /* Port addr of General Purpose acpi_event 1 Reg Blk */ \ |
| u8 pm1_evt_len; /* Byte Length of ports at pm1_x_evt_blk */ \ |
| u8 pm1_cnt_len; /* Byte Length of ports at pm1_x_cnt_blk */ \ |
| u8 pm2_cnt_len; /* Byte Length of ports at pm2_cnt_blk */ \ |
| u8 pm_tm_len; /* Byte Length of ports at pm_tm_blk */ \ |
| u8 gpe0_blk_len; /* Byte Length of ports at gpe0_blk */ \ |
| u8 gpe1_blk_len; /* Byte Length of ports at gpe1_blk */ \ |
| u8 gpe1_base; /* Offset in gpe model where gpe1 events start */ \ |
| u8 cst_cnt; /* Support for the _CST object and C States change notification.*/ \ |
| u16 plvl2_lat; /* Worst case HW latency to enter/exit C2 state */ \ |
| u16 plvl3_lat; /* Worst case HW latency to enter/exit C3 state */ \ |
| u16 flush_size; /* Processor's memory cache line width, in bytes */ \ |
| u16 flush_stride; /* Number of flush strides that need to be read */ \ |
| u8 duty_offset; /* Processor's duty cycle index in processor's P_CNT reg*/ \ |
| u8 duty_width; /* Processor's duty cycle value bit width in P_CNT register.*/ \ |
| u8 day_alrm; /* Index to day-of-month alarm in RTC CMOS RAM */ \ |
| u8 mon_alrm; /* Index to month-of-year alarm in RTC CMOS RAM */ \ |
| u8 century; /* Index to century in RTC CMOS RAM */ \ |
| u16 iapc_boot_arch; /* IA-PC Boot Architecture Flags. See Table 5-10 for description*/ \ |
| u8 reserved2; /* Reserved, must be zero */ |
| |
| /* |
| * ACPI 2.0+ FADT |
| */ |
| struct fadt_descriptor { |
| ACPI_FADT_COMMON |
| /* Flags (32 bits) */ |
| u8 wb_invd:1; /* 00: The wbinvd instruction works properly */ |
| u8 wb_invd_flush:1; /* 01: The wbinvd flushes but does not invalidate */ |
| u8 proc_c1:1; /* 02: All processors support C1 state */ |
| u8 plvl2_up:1; /* 03: C2 state works on MP system */ |
| u8 pwr_button:1; /* 04: Power button is handled as a generic feature */ |
| u8 sleep_button:1; /* 05: Sleep button is handled as a generic feature, or not present */ |
| u8 fixed_rTC:1; /* 06: RTC wakeup stat not in fixed register space */ |
| u8 rtcs4:1; /* 07: RTC wakeup stat not possible from S4 */ |
| u8 tmr_val_ext:1; /* 08: tmr_val is 32 bits 0=24-bits */ |
| u8 dock_cap:1; /* 09: Docking supported */ |
| u8 reset_reg_sup:1; /* 10: System reset via the FADT RESET_REG supported */ |
| u8 sealed_case:1; /* 11: No internal expansion capabilities and case is sealed */ |
| u8 headless:1; /* 12: No local video capabilities or local input devices */ |
| u8 cpu_sw_sleep:1; /* 13: Must execute native instruction after writing SLP_TYPx register */ |
| |
| u8 pci_exp_wak:1; /* 14: System supports PCIEXP_WAKE (STS/EN) bits (ACPI 3.0) */ |
| u8 use_platform_clock:1; /* 15: OSPM should use platform-provided timer (ACPI 3.0) */ |
| u8 S4rtc_sts_valid:1; /* 16: Contents of RTC_STS valid after S4 wake (ACPI 3.0) */ |
| u8 remote_power_on_capable:1; /* 17: System is compatible with remote power on (ACPI 3.0) */ |
| u8 force_apic_cluster_model:1; /* 18: All local APICs must use cluster model (ACPI 3.0) */ |
| u8 force_apic_physical_destination_mode:1; /* 19: All local x_aPICs must use physical dest mode (ACPI 3.0) */ |
| u8:4; /* 20-23: Reserved, must be zero */ |
| u8 reserved3; /* 24-31: Reserved, must be zero */ |
| |
| struct acpi_generic_address reset_register; /* Reset register address in GAS format */ |
| u8 reset_value; /* Value to write to the reset_register port to reset the system */ |
| u8 reserved4[3]; /* These three bytes must be zero */ |
| u64 xfirmware_ctrl; /* 64-bit physical address of FACS */ |
| u64 Xdsdt; /* 64-bit physical address of DSDT */ |
| struct acpi_generic_address xpm1a_evt_blk; /* Extended Power Mgt 1a acpi_event Reg Blk address */ |
| struct acpi_generic_address xpm1b_evt_blk; /* Extended Power Mgt 1b acpi_event Reg Blk address */ |
| struct acpi_generic_address xpm1a_cnt_blk; /* Extended Power Mgt 1a Control Reg Blk address */ |
| struct acpi_generic_address xpm1b_cnt_blk; /* Extended Power Mgt 1b Control Reg Blk address */ |
| struct acpi_generic_address xpm2_cnt_blk; /* Extended Power Mgt 2 Control Reg Blk address */ |
| struct acpi_generic_address xpm_tmr_blk; /* Extended Power Mgt Timer Ctrl Reg Blk address */ |
| struct acpi_generic_address xgpe0_blk; /* Extended General Purpose acpi_event 0 Reg Blk address */ |
| struct acpi_generic_address xgpe1_blk; /* Extended General Purpose acpi_event 1 Reg Blk address */ |
| }; |
| |
| /* |
| * "Down-revved" ACPI 2.0 FADT descriptor |
| * Defined here to allow compiler to generate the length of the struct |
| */ |
| struct fadt_descriptor_rev2_minus { |
| ACPI_FADT_COMMON u32 flags; |
| struct acpi_generic_address reset_register; /* Reset register address in GAS format */ |
| u8 reset_value; /* Value to write to the reset_register port to reset the system. */ |
| u8 reserved7[3]; /* Reserved, must be zero */ |
| }; |
| |
| /* |
| * ACPI 1.0 FADT |
| * Defined here to allow compiler to generate the length of the struct |
| */ |
| struct fadt_descriptor_rev1 { |
| ACPI_FADT_COMMON u32 flags; |
| }; |
| |
| /* FADT: Prefered Power Management Profiles */ |
| |
| #define PM_UNSPECIFIED 0 |
| #define PM_DESKTOP 1 |
| #define PM_MOBILE 2 |
| #define PM_WORKSTATION 3 |
| #define PM_ENTERPRISE_SERVER 4 |
| #define PM_SOHO_SERVER 5 |
| #define PM_APPLIANCE_PC 6 |
| |
| /* FADT: Boot Arch Flags */ |
| |
| #define BAF_LEGACY_DEVICES 0x0001 |
| #define BAF_8042_KEYBOARD_CONTROLLER 0x0002 |
| |
| #define FADT2_REVISION_ID 3 |
| #define FADT2_MINUS_REVISION_ID 2 |
| |
| /* Reset to default packing */ |
| |
| #pragma pack() |
| |
| /* |
| * This macro is temporary until the table bitfield flag definitions |
| * are removed and replaced by a Flags field. |
| */ |
| #define ACPI_FLAG_OFFSET(d,f,o) (u8) (ACPI_OFFSET (d,f) + \ |
| sizeof(((d *)0)->f) + o) |
| /* |
| * Get the remaining ACPI tables |
| */ |
| #include "actbl1.h" |
| |
| /* |
| * ACPI Table information. We save the table address, length, |
| * and type of memory allocation (mapped or allocated) for each |
| * table for 1) when we exit, and 2) if a new table is installed |
| */ |
| #define ACPI_MEM_NOT_ALLOCATED 0 |
| #define ACPI_MEM_ALLOCATED 1 |
| #define ACPI_MEM_MAPPED 2 |
| |
| /* Definitions for the Flags bitfield member of struct acpi_table_support */ |
| |
| #define ACPI_TABLE_SINGLE 0x00 |
| #define ACPI_TABLE_MULTIPLE 0x01 |
| #define ACPI_TABLE_EXECUTABLE 0x02 |
| |
| #define ACPI_TABLE_ROOT 0x00 |
| #define ACPI_TABLE_PRIMARY 0x10 |
| #define ACPI_TABLE_SECONDARY 0x20 |
| #define ACPI_TABLE_ALL 0x30 |
| #define ACPI_TABLE_TYPE_MASK 0x30 |
| |
| /* Data about each known table type */ |
| |
| struct acpi_table_support { |
| char *name; |
| char *signature; |
| void **global_ptr; |
| u8 sig_length; |
| u8 flags; |
| }; |
| |
| extern u8 acpi_fadt_is_v1; /* is set to 1 if FADT is revision 1, |
| * needed for certain workarounds */ |
| /* Macros used to generate offsets to specific table fields */ |
| |
| #define ACPI_FACS_OFFSET(f) (u8) ACPI_OFFSET (struct facs_descriptor,f) |
| #define ACPI_FADT_OFFSET(f) (u8) ACPI_OFFSET (struct fadt_descriptor, f) |
| #define ACPI_GAS_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_generic_address,f) |
| #define ACPI_HDR_OFFSET(f) (u8) ACPI_OFFSET (struct acpi_table_header,f) |
| #define ACPI_RSDP_OFFSET(f) (u8) ACPI_OFFSET (struct rsdp_descriptor,f) |
| |
| #define ACPI_FADT_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct fadt_descriptor,f,o) |
| #define ACPI_FACS_FLAG_OFFSET(f,o) ACPI_FLAG_OFFSET (struct facs_descriptor,f,o) |
| |
| #endif /* __ACTBL_H__ */ |
